381700292345 has 4 divisors (see below), whose sum is σ = 458040350820. Its totient is φ = 305360233872.

The previous prime is 381700292327. The next prime is 381700292353. The reversal of 381700292345 is 543292007183.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 71009991529 + 310690300816 = 266477^2 + 557396^2 .

It is a cyclic number.

It is not a de Polignac number, because 381700292345 - 2³⁸ = 106822385401 is a prime.

It is a super-2 number, since 2×381700292345² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 381700292296 and 381700292305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38170029230 + ... + 38170029239.

It is an arithmetic number, because the mean of its divisors is an integer number (114510087705).

Almost surely, 2^381700292345 is an apocalyptic number.

It is an amenable number.

381700292345 is a deficient number, since it is larger than the sum of its proper divisors (76340058475).

381700292345 is an equidigital number, since it uses as much as digits as its factorization.

381700292345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76340058474.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 381700292345 in words is "three hundred eighty-one billion, seven hundred million, two hundred ninety-two thousand, three hundred forty-five".