2154360477628 has 12 divisors (see below), whose sum is σ = 3900135347640. Its totient is φ = 1040036092592.

The previous prime is 2154360477611. The next prime is 2154360477631. The reversal of 2154360477628 is 8267740634512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9286036426 + ... + 9286036657.

It is an arithmetic number, because the mean of its divisors is an integer number (325011278970).

Almost surely, 2^{2154360477628} is an apocalyptic number.

It is an amenable number.

2154360477628 is a deficient number, since it is larger than the sum of its proper divisors (1745774870012).

2154360477628 is a wasteful number, since it uses less digits than its factorization.

2154360477628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18572073116 (or 18572073114 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 55.

The spelling of 2154360477628 in words is "two trillion, one hundred fifty-four billion, three hundred sixty million, four hundred seventy-seven thousand, six hundred twenty-eight".