2619693402144 has 144 divisors (see below), whose sum is σ = 8614761196608. Its totient is φ = 690908133888.

The previous prime is 2619693402143. The next prime is 2619693402167. The reversal of 2619693402144 is 4412043969162.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2619693402143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21358372 + ... + 21480675.

It is an arithmetic number, because the mean of its divisors is an integer number (59824730532).

Almost surely, 2^{2619693402144} is an apocalyptic number.

2619693402144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2619693402144 is an abundant number, since it is smaller than the sum of its proper divisors (5995067794464).

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

2619693402144 is a wasteful number, since it uses less digits than its factorization.

2619693402144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42839087 (or 42839072 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 2619693402144 in words is "two trillion, six hundred nineteen billion, six hundred ninety-three million, four hundred two thousand, one hundred forty-four".