38451802345 has 8 divisors (see below), whose sum is σ = 50336904960. Its totient is φ = 27964947120.

The previous prime is 38451802309. The next prime is 38451802421. The reversal of 38451802345 is 54320815483.

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

It is not a de Polignac number, because 38451802345 - 2⁷ = 38451802217 is a prime.

It is a super-2 number, since 2×38451802345² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349561785 + ... + 349561894.

It is an arithmetic number, because the mean of its divisors is an integer number (6292113120).

Almost surely, 2^38451802345 is an apocalyptic number.

It is an amenable number.

38451802345 is a deficient number, since it is larger than the sum of its proper divisors (11885102615).

38451802345 is a wasteful number, since it uses less digits than its factorization.

38451802345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699123695.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 38451802345 in words is "thirty-eight billion, four hundred fifty-one million, eight hundred two thousand, three hundred forty-five".