2137780297919 has 16 divisors (see below), whose sum is σ = 2457025547520. Its totient is φ = 1822026286080.

The previous prime is 2137780297909. The next prime is 2137780297973. The reversal of 2137780297919 is 9197920877312.

It is not a de Polignac number, because 2137780297919 - 2⁴ = 2137780297903 is a prime.

It is a super-2 number, since 2×2137780297919² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137780297909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339074 + ... + 2095359.

It is an arithmetic number, because the mean of its divisors is an integer number (153564096720).

Almost surely, 2^{2137780297919} is an apocalyptic number.

2137780297919 is a deficient number, since it is larger than the sum of its proper divisors (319245249601).

2137780297919 is a wasteful number, since it uses less digits than its factorization.

2137780297919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435150.

The product of its (nonzero) digits is 24004512, while the sum is 65.

The spelling of 2137780297919 in words is "two trillion, one hundred thirty-seven billion, seven hundred eighty million, two hundred ninety-seven thousand, nine hundred nineteen".