345425642387 has 8 divisors (see below), whose sum is σ = 394793646336. Its totient is φ = 296063009352.

The previous prime is 345425642383. The next prime is 345425642399. The reversal of 345425642387 is 783246524543.

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

It is a cyclic number.

It is not a de Polignac number, because 345425642387 - 2² = 345425642383 is a prime.

It is a super-2 number, since 2×345425642387² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345425642383) 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, 1203953 + ... + 1462994.

It is an arithmetic number, because the mean of its divisors is an integer number (49349205792).

Almost surely, 2^345425642387 is an apocalyptic number.

345425642387 is a deficient number, since it is larger than the sum of its proper divisors (49368003949).

345425642387 is a wasteful number, since it uses less digits than its factorization.

345425642387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685457.

The product of its digits is 19353600, while the sum is 53.

The spelling of 345425642387 in words is "three hundred forty-five billion, four hundred twenty-five million, six hundred forty-two thousand, three hundred eighty-seven".