42101141391 has 32 divisors (see below), whose sum is σ = 62758315200. Its totient is φ = 27894067200.

The previous prime is 42101141389. The next prime is 42101141417. The reversal of 42101141391 is 19314110124.

It is not a de Polignac number, because 42101141391 - 2¹ = 42101141389 is a prime.

It is a super-2 number, since 2×42101141391² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42101141191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3561691 + ... + 3573491.

It is an arithmetic number, because the mean of its divisors is an integer number (1961197350).

Almost surely, 2^42101141391 is an apocalyptic number.

42101141391 is a deficient number, since it is larger than the sum of its proper divisors (20657173809).

42101141391 is a wasteful number, since it uses less digits than its factorization.

42101141391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12616 (or 12610 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 42101141391 in words is "forty-two billion, one hundred one million, one hundred forty-one thousand, three hundred ninety-one".