1953875250097 has 8 divisors (see below), whose sum is σ = 2070329178312. Its totient is φ = 1837590220800.

The previous prime is 1953875250083. The next prime is 1953875250133. The reversal of 1953875250097 is 7900525783591.

It can be written as a sum of positive squares in 4 ways, for example, as 524413498896 + 1429461751201 = 724164^2 + 1195601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1953875250097 - 2¹⁹ = 1953874725809 is a prime.

It is a super-2 number, since 2×1953875250097² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1953875250697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42200904 + ... + 42247177.

It is an arithmetic number, because the mean of its divisors is an integer number (258791147289).

Almost surely, 2^{1953875250097} is an apocalyptic number.

1953875250097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1953875250097 is a deficient number, since it is larger than the sum of its proper divisors (116453928215).

1953875250097 is a wasteful number, since it uses less digits than its factorization.

1953875250097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84449459.

The product of its (nonzero) digits is 23814000, while the sum is 61.

The spelling of 1953875250097 in words is "one trillion, nine hundred fifty-three billion, eight hundred seventy-five million, two hundred fifty thousand, ninety-seven".