1457925669 has 8 divisors (see below), whose sum is σ = 2159889920. Its totient is φ = 971950428.

The previous prime is 1457925649. The next prime is 1457925673. The reversal of 1457925669 is 9665297541.

1457925669 is a `hidden beast` number, since 1 + 4 + 5 + 79 + 2 + 566 + 9 = 666.

It is not a de Polignac number, because 1457925669 - 2¹⁶ = 1457860133 is a prime.

It is a super-2 number, since 2×1457925669² = 4251094512658195122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457925619) 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, 26998597 + ... + 26998650.

It is an arithmetic number, because the mean of its divisors is an integer number (269986240).

Almost surely, 2^1457925669 is an apocalyptic number.

It is an amenable number.

1457925669 is a deficient number, since it is larger than the sum of its proper divisors (701964251).

1457925669 is an equidigital number, since it uses as much as digits as its factorization.

1457925669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53997256 (or 53997250 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The square root of 1457925669 is about 38182.7928391835. The cubic root of 1457925669 is about 1133.9096747854.

The spelling of 1457925669 in words is "one billion, four hundred fifty-seven million, nine hundred twenty-five thousand, six hundred sixty-nine".