425192337781 has 4 divisors (see below), whose sum is σ = 425555440864. Its totient is φ = 424829234700.

The previous prime is 425192337707. The next prime is 425192337797. The reversal of 425192337781 is 187733291524.

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 a cyclic number.

It is not a de Polignac number, because 425192337781 - 2¹³ = 425192329589 is a prime.

It is a super-2 number, since 2×425192337781² (a number of 24 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 (425192334781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181549785 + ... + 181552126.

It is an arithmetic number, because the mean of its divisors is an integer number (106388860216).

Almost surely, 2^425192337781 is an apocalyptic number.

It is an amenable number.

425192337781 is a deficient number, since it is larger than the sum of its proper divisors (363103083).

425192337781 is a wasteful number, since it uses less digits than its factorization.

425192337781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363103082.

The product of its digits is 2540160, while the sum is 52.

The spelling of 425192337781 in words is "four hundred twenty-five billion, one hundred ninety-two million, three hundred thirty-seven thousand, seven hundred eighty-one".