2379457234781 has 4 divisors (see below), whose sum is σ = 2595771528864. Its totient is φ = 2163142940700.

The previous prime is 2379457234769. The next prime is 2379457234793. The reversal of 2379457234781 is 1874327549732.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2379457234769) and next prime (2379457234793).

It is a cyclic number.

It is not a de Polignac number, because 2379457234781 - 2³⁰ = 2378383492957 is a prime.

It is a super-2 number, since 2×2379457234781² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2379457234181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108157147025 + ... + 108157147046.

It is an arithmetic number, because the mean of its divisors is an integer number (648942882216).

Almost surely, 2^{2379457234781} is an apocalyptic number.

It is an amenable number.

2379457234781 is a deficient number, since it is larger than the sum of its proper divisors (216314294083).

2379457234781 is a wasteful number, since it uses less digits than its factorization.

2379457234781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216314294082.

The product of its digits is 71124480, while the sum is 62.

The spelling of 2379457234781 in words is "two trillion, three hundred seventy-nine billion, four hundred fifty-seven million, two hundred thirty-four thousand, seven hundred eighty-one".