1546906497 has 4 divisors (see below), whose sum is σ = 2062542000. Its totient is φ = 1031270996.

The previous prime is 1546906463. The next prime is 1546906513. The reversal of 1546906497 is 7946096451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7946096451 = 3 ⋅2648698817.

It is a cyclic number.

It is not a de Polignac number, because 1546906497 - 2⁷ = 1546906369 is a prime.

It is a super-2 number, since 2×1546906497² = 4785839420921622018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1546906457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257817747 + ... + 257817752.

It is an arithmetic number, because the mean of its divisors is an integer number (515635500).

Almost surely, 2^1546906497 is an apocalyptic number.

It is an amenable number.

1546906497 is a deficient number, since it is larger than the sum of its proper divisors (515635503).

1546906497 is an equidigital number, since it uses as much as digits as its factorization.

1546906497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515635502.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 1546906497 is about 39330.7322204914. The cubic root of 1546906497 is about 1156.5241017869.

The spelling of 1546906497 in words is "one billion, five hundred forty-six million, nine hundred six thousand, four hundred ninety-seven".