48491769399 has 4 divisors (see below), whose sum is σ = 64655692536. Its totient is φ = 32327846264.

The previous prime is 48491769397. The next prime is 48491769401. The reversal of 48491769399 is 99396719484.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (48491769397) and next prime (48491769401).

It is a cyclic number.

It is not a de Polignac number, because 48491769399 - 2¹ = 48491769397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48491769397) 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, 8081961564 + ... + 8081961569.

It is an arithmetic number, because the mean of its divisors is an integer number (16163923134).

Almost surely, 2^48491769399 is an apocalyptic number.

48491769399 is a deficient number, since it is larger than the sum of its proper divisors (16163923137).

48491769399 is a wasteful number, since it uses less digits than its factorization.

48491769399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16163923136.

The product of its digits is 105815808, while the sum is 69.

The spelling of 48491769399 in words is "forty-eight billion, four hundred ninety-one million, seven hundred sixty-nine thousand, three hundred ninety-nine".