1626262479897 has 16 divisors (see below), whose sum is σ = 2365494379968. Its totient is φ = 985604590080.

The previous prime is 1626262479871. The next prime is 1626262480021. The reversal of 1626262479897 is 7989742626261.

It is not a de Polignac number, because 1626262479897 - 2⁷ = 1626262479769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1626262479847) 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, 5947293 + ... + 6214725.

It is an arithmetic number, because the mean of its divisors is an integer number (147843398748).

Almost surely, 2^{1626262479897} is an apocalyptic number.

It is an amenable number.

1626262479897 is a deficient number, since it is larger than the sum of its proper divisors (739231900071).

1626262479897 is a wasteful number, since it uses less digits than its factorization.

1626262479897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451720.

The product of its digits is 219469824, while the sum is 69.

The spelling of 1626262479897 in words is "one trillion, six hundred twenty-six billion, two hundred sixty-two million, four hundred seventy-nine thousand, eight hundred ninety-seven".