253467734546 has 16 divisors (see below), whose sum is σ = 433533048984. Its totient is φ = 110103631104.

The previous prime is 253467734489. The next prime is 253467734549. The reversal of 253467734546 is 645437764352.

It can be written as a sum of positive squares in 4 ways, for example, as 146447809225 + 107019925321 = 382685^2 + 327139^2 .

It is a super-2 number, since 2×253467734546² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253467734491 and 253467734500.

It is not an unprimeable number, because it can be changed into a prime (253467734549) 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, 286727765 + ... + 286728648.

Almost surely, 2^253467734546 is an apocalyptic number.

253467734546 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

253467734546 is a deficient number, since it is larger than the sum of its proper divisors (180065314438).

253467734546 is a wasteful number, since it uses less digits than its factorization.

253467734546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573456445.

The product of its digits is 50803200, while the sum is 56.

The spelling of 253467734546 in words is "two hundred fifty-three billion, four hundred sixty-seven million, seven hundred thirty-four thousand, five hundred forty-six".