1253634492471 has 16 divisors (see below), whose sum is σ = 1672438291680. Its totient is φ = 835293634560.

The previous prime is 1253634492449. The next prime is 1253634492479. The reversal of 1253634492471 is 1742944363521.

It is not a de Polignac number, because 1253634492471 - 2¹³ = 1253634484279 is a prime.

It is a super-3 number, since 3×1253634492471³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253634492479) 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, 60338841 + ... + 60359613.

It is an arithmetic number, because the mean of its divisors is an integer number (104527393230).

Almost surely, 2^{1253634492471} is an apocalyptic number.

1253634492471 is a deficient number, since it is larger than the sum of its proper divisors (418803799209).

1253634492471 is a wasteful number, since it uses less digits than its factorization.

1253634492471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30946.

The product of its digits is 4354560, while the sum is 51.

The spelling of 1253634492471 in words is "one trillion, two hundred fifty-three billion, six hundred thirty-four million, four hundred ninety-two thousand, four hundred seventy-one".