3850807739261 has 8 divisors (see below), whose sum is σ = 4453946301504. Its totient is φ = 3260924969760.

The previous prime is 3850807739201. The next prime is 3850807739269. The reversal of 3850807739261 is 1629377080583.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3850807739261 is a prime.

It is a super-2 number, since 2×3850807739261² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3850807739261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3850807739269) 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, 3313947560 + ... + 3313948721.

It is an arithmetic number, because the mean of its divisors is an integer number (556743287688).

Almost surely, 2^{3850807739261} is an apocalyptic number.

It is an amenable number.

3850807739261 is a deficient number, since it is larger than the sum of its proper divisors (603138562243).

3850807739261 is an equidigital number, since it uses as much as digits as its factorization.

3850807739261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6627896371.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 3850807739261 in words is "three trillion, eight hundred fifty billion, eight hundred seven million, seven hundred thirty-nine thousand, two hundred sixty-one".