2942695017920 has 56 divisors (see below), whose sum is σ = 8008334304864. Its totient is φ = 1008924005376.

The previous prime is 2942695017893. The next prime is 2942695017923. The reversal of 2942695017920 is 297105962492.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×2942695017920² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942695017923) 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, 656849327 + ... + 656853806.

Almost surely, 2^{2942695017920} is an apocalyptic number.

2942695017920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2942695017920 is an abundant number, since it is smaller than the sum of its proper divisors (5065639286944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2942695017920 is a wasteful number, since it uses less digits than its factorization.

2942695017920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313703157 (or 1313703147 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 2942695017920 in words is "two trillion, nine hundred forty-two billion, six hundred ninety-five million, seventeen thousand, nine hundred twenty".