102435031751642 has 8 divisors (see below), whose sum is σ = 157805319185076. Its totient is φ = 49833258689952.

The previous prime is 102435031751599. The next prime is 102435031751651. The reversal of 102435031751642 is 246157130534201.

It can be written as a sum of positive squares in 2 ways, for example, as 93656735324881 + 8778296426761 = 9677641^2 + 2962819^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 102435031751593 and 102435031751602.

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, 692128592843 + ... + 692128592990.

Almost surely, 2^{102435031751642} is an apocalyptic number.

102435031751642 is a deficient number, since it is larger than the sum of its proper divisors (55370287433434).

102435031751642 is a wasteful number, since it uses less digits than its factorization.

102435031751642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384257185872.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 102435031751642 in words is "one hundred two trillion, four hundred thirty-five billion, thirty-one million, seven hundred fifty-one thousand, six hundred forty-two".