101489393476 has 9 divisors (see below), whose sum is σ = 177607553599. Its totient is φ = 50744378164.

The previous prime is 101489393443. The next prime is 101489393507. The reversal of 101489393476 is 674393984101.

The square root of 101489393476 is 318574.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 557505 + ... + 716791.

Almost surely, 2^101489393476 is an apocalyptic number.

101489393476 is the 318574-th square number.

It is an amenable number.

101489393476 is a deficient number, since it is larger than the sum of its proper divisors (76118160123).

101489393476 is an frugal number, since it uses more digits than its factorization.

101489393476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318578 (or 159289 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 101489393476 in words is "one hundred one billion, four hundred eighty-nine million, three hundred ninety-three thousand, four hundred seventy-six".