38261487497 has 8 divisors (see below), whose sum is σ = 38430020160. Its totient is φ = 38093150160.

The previous prime is 38261487479. The next prime is 38261487587. The reversal of 38261487497 is 79478416283.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38261487497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38261484497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350972 + ... + 446882.

It is an arithmetic number, because the mean of its divisors is an integer number (4803752520).

Almost surely, 2^38261487497 is an apocalyptic number.

It is an amenable number.

38261487497 is a deficient number, since it is larger than the sum of its proper divisors (168532663).

38261487497 is a wasteful number, since it uses less digits than its factorization.

38261487497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97663.

The product of its digits is 16257024, while the sum is 59.

The spelling of 38261487497 in words is "thirty-eight billion, two hundred sixty-one million, four hundred eighty-seven thousand, four hundred ninety-seven".