2981387237694 has 32 divisors (see below), whose sum is σ = 5985044208000. Its totient is φ = 990085016352.

The previous prime is 2981387237681. The next prime is 2981387237749. The reversal of 2981387237694 is 4967327831892.

It is a super-2 number, since 2×2981387237694² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13792057 + ... + 14006555.

It is an arithmetic number, because the mean of its divisors is an integer number (187032631500).

Almost surely, 2^{2981387237694} is an apocalyptic number.

2981387237694 is an abundant number, since it is smaller than the sum of its proper divisors (3003656970306).

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

2981387237694 is a wasteful number, since it uses less digits than its factorization.

2981387237694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223144.

The product of its digits is 219469824, while the sum is 69.

The spelling of 2981387237694 in words is "two trillion, nine hundred eighty-one billion, three hundred eighty-seven million, two hundred thirty-seven thousand, six hundred ninety-four".