42095981487 has 60 divisors (see below), whose sum is σ = 69110641560. Its totient is φ = 22787394336.

The previous prime is 42095981483. The next prime is 42095981503. The reversal of 42095981487 is 78418959024.

It is not a de Polignac number, because 42095981487 - 2² = 42095981483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42095981483) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2592189 + ... + 2608377.

It is an arithmetic number, because the mean of its divisors is an integer number (1151844026).

Almost surely, 2^42095981487 is an apocalyptic number.

42095981487 is a deficient number, since it is larger than the sum of its proper divisors (27014660073).

42095981487 is an equidigital number, since it uses as much as digits as its factorization.

42095981487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16258 (or 16218 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 42095981487 in words is "forty-two billion, ninety-five million, nine hundred eighty-one thousand, four hundred eighty-seven".