8101850642 has 8 divisors (see below), whose sum is σ = 12155553036. Its totient is φ = 4049999632.

The previous prime is 8101850623. The next prime is 8101850657. The reversal of 8101850642 is 2460581018.

It can be written as a sum of positive squares in 2 ways, for example, as 7184427121 + 917423521 = 84761^2 + 30289^2 .

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

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, 451853 + ... + 469440.

Almost surely, 2^8101850642 is an apocalyptic number.

8101850642 is a deficient number, since it is larger than the sum of its proper divisors (4053702394).

8101850642 is a wasteful number, since it uses less digits than its factorization.

8101850642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925692.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 8101850642 is about 90010.2807572557. The cubic root of 8101850642 is about 2008.4517868385.

The spelling of 8101850642 in words is "eight billion, one hundred one million, eight hundred fifty thousand, six hundred forty-two".