2154657374 has 4 divisors (see below), whose sum is σ = 3231986064. Its totient is φ = 1077328686.

The previous prime is 2154657347. The next prime is 2154657383. The reversal of 2154657374 is 4737564512.

It is a happy number.

2154657374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538664342 + ... + 538664345.

It is an arithmetic number, because the mean of its divisors is an integer number (807996516).

Almost surely, 2^2154657374 is an apocalyptic number.

2154657374 is a deficient number, since it is larger than the sum of its proper divisors (1077328690).

2154657374 is a wasteful number, since it uses less digits than its factorization.

2154657374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077328689.

The product of its digits is 705600, while the sum is 44.

The square root of 2154657374 is about 46418.2870644749. The cubic root of 2154657374 is about 1291.5941619924.

The spelling of 2154657374 in words is "two billion, one hundred fifty-four million, six hundred fifty-seven thousand, three hundred seventy-four".